Term ends Mar 18, 2028 · Medium confidence
20-year base term ends Mar 18, 2028
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,218,827, US 8,280,117, US 8,290,215), so the cap could be lower.
Held by Certusview Technologies, LLC
Filed Sep 26, 2008 as application 12/239,414 · Granted Jan 13, 2015
Base term plus 812 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2008
2028
Clock starts
Mar 18, 2008
Mar 18, 2008
Term ends
Mar 18, 2028
Mar 18, 2028
Granted
Jan 13, 2015
Jan 13, 2015
base term
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
812
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,218,827, US 8,280,117, US 8,290,215, US 8,861,794.
2 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
129
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 812 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 3 maintenance fees are paid so far. Confidence: Medium. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 18, 2008, when application 12/050,555, the earliest non-provisional in its chain, was filed (this one was filed Sep 26, 2008) | Mar 18, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +812 days, USPTO patent term adjustment record | Jun 8, 2030 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,218,827, US 8,280,117, US 8,290,215, US 8,861,794) | capped to Mar 18, 2028 | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 18, 2028 | Medium confidence |
This family
| US 8,532,342 | In force Apr 2031 | Apr 2031 |
| US 8,249,306 | In force no later than May 2031 | no later than May 2031 |
| US 9,659,268 | In force Jun 2029 | Jun 2029 |
| US 8,340,359 | In force Jan 2030 | Jan 2030 |
| US 8,934,678 | this patent Mar 2028 | Mar 2028 |
| US 8,290,215 | In force no later than Dec 2030 | no later than Dec 2030 |
| US 8,355,542 | Lapsed on the fee record Jan 2021 | Jan 2021 |
| US 8,300,895 | In force Mar 2030 | Mar 2030 |
8 of 129 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Nov 6, 2008 Reel 21797, frame 318 | Dycom Technology, LLC; Dycom Industries, Inc.; Certusview Technologies, LLC | Brown Rudnick LLP | Notice of Attorney's Lien |
| Dec 1, 2008 Reel 21907, frame 232 | Brown Rudnick LLP | Dycom Technology, LLC; Dycom Industries, Inc.; Certusview Technologies, LLC | Termination of Notice of Attorney's Lien |
| Dec 1, 2008 reel/frame not recorded | Brown Rudnick LLP | Dycom Technology, LLC | Termination of Notice of Attorney's Lien |
| Dec 1, 2008 reel/frame not recorded | Brown Rudnick LLP | Dycom Industries, Inc. | Termination of Notice of Attorney's Lien |
| Dec 1, 2008 reel/frame not recorded | Brown Rudnick LLP | Certusview Technologies, LLC | Termination of Notice of Attorney's Lien |
| Jan 23, 2009 Reel 22143, frame 874 | Nielsen, Steven; Chambers, Curtis | Dycom Technology, LLC | Assignment of Assignor's Interest |
| Jan 23, 2009 Reel 22143, frame 995 | Dycom Technology, LLC | Certusview Technologies, LLC | Change of Name |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
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Alerts on its grants, lapses and transfers.
What's changing
Mar 2028
Term ends Mar 18, 2028.
Note
The 812 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,218,827, US 8,280,117, US 8,290,215, US 8,861,794.
Citations
142
later US patents cite this one
That is top 5% of utility patents granted in 2015 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.